An amethyst, diamond, and gem-set necklace  featuring a square briolette-shaped amethyst, within an openwork frame, suspended from a triple-link chain of butterfly motif, completed by fringe, set throughout with round brilliant-cut diamonds, bead and oval-shaped rose quartz, circular-cut yellow sapphires, and briolette-shaped amethysts; estimated total diamond weight: 1.75 carats; mounted in eighteen karat white gold; length: 25½in.
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